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Finding the Fourth Proportional to 356,532.56, 534,738.68 and 167,013.20

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Solution

The fourth proportional to 356,532.56, 534,738.68 and 167,013.20 is: 250,491.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,532.56 : 534,738.68 = 167,013.20 : x
  2. Step 2: Convert to fraction form
    356,532.56/534,738.68 = 167,013.20/x
  3. Step 3: Cross multiply
    356,532.56x = 534,738.68 × 167,013.20
  4. Step 4: Simplify right side
    356,532.56x = 89,308,418,110.58
  5. Step 5: Solve for x
    x = 89,308,418,110.58/356,532.56
  6. Step 6: Final answer
    x = 250,491.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.